Lightweight Steel Cable, Insulated Green Grounding Conductor;Interlocked Galvanized Steel Strip (Blue Striped) With Colorspec(R) Id Additional Information, Galvanized Steel Armor Construction, Brown;Gray;Green Color, Copper Conductor Material, THHN/THWN Insulation Material, Polypropylene Jacket Material, Made In Usa, +90 °C Maximum Operating Temperature, 2 - Conductors, 0.517 In Outside Diameter, 250 FT Overall Length, Coil Package Type, Solid Solid/Strand, Federal Specification A-A-59544 (Formerly J-C-30B